feat: add default_compute_class_enabled variable for autopilot

This change introduces the default_compute_class_enabled variable
to enable default compute class for Node Auto-Provisioning.
This allows users to configure the compute class more flexibly
when setting up their Kubernetes clusters.

Author: romancin

README.md

@@ -160,6 +160,7 @@ Then perform the following commands on the root folder:
 | create\_service\_account | Defines if service account specified to run nodes should be created. | `bool` | `true` | no |
 | database\_encryption | Application-layer Secrets Encryption settings. The object format is {state = string, key\_name = string}. Valid values of state are: "ENCRYPTED"; "DECRYPTED". key\_name is the name of a CloudKMS key. | `list(object({ state = string, key_name = string }))` | <pre>[<br>  {<br>    "key_name": "",<br>    "state": "DECRYPTED"<br>  }<br>]</pre> | no |
 | datapath\_provider | The desired datapath provider for this cluster. By default, `DATAPATH_PROVIDER_UNSPECIFIED` enables the IPTables-based kube-proxy implementation. `ADVANCED_DATAPATH` enables Dataplane-V2 feature. | `string` | `"DATAPATH_PROVIDER_UNSPECIFIED"` | no |
+| default\_compute\_class\_enabled | Enable default compute class for Node Auto-Provisioning | `bool` | `null` | no |
 | default\_max\_pods\_per\_node | The maximum number of pods to schedule per node | `number` | `110` | no |
 | deletion\_protection | Whether or not to allow Terraform to destroy the cluster. | `bool` | `true` | no |
 | description | The description of the cluster | `string` | `""` | no |

autogen/main/cluster.tf.tmpl

@@ -218,7 +218,7 @@ resource "google_container_cluster" "primary" {
 {% endif %}
   {% if autopilot_cluster == true %}
   cluster_autoscaling {
-    default_compute_class_enabled = lookup(var.cluster_autoscaling, "enable_default_compute_class", false)
+    default_compute_class_enabled = var.default_compute_class_enabled
     dynamic "auto_provisioning_defaults" {
       for_each = (var.create_service_account || var.service_account != "" || var.boot_disk_kms_key != null) ? [1] : []
 

autogen/main/variables.tf.tmpl

@@ -367,6 +367,12 @@ variable "cluster_autoscaling" {
   description = "Cluster autoscaling configuration. See [more details](https://cloud.google.com/kubernetes-engine/docs/reference/rest/v1beta1/projects.locations.clusters#clusterautoscaling)"
 }
 
+variable "default_compute_class_enabled" {
+  type        = bool
+  description = "Enable default compute class for Node Auto-Provisioning"
+  default     = null
+}
+
 variable "node_pools_taints" {
   type        = map(list(object({ key = string, value = string, effect = string })))
   description = "Map of lists containing node taints by node-pool name"

metadata.yaml

@@ -386,6 +386,9 @@ spec:
           max_memory_gb: 0
           min_cpu_cores: 0
           min_memory_gb: 0
+      - name: default_compute_class_enabled
+        description: Enable default compute class for Node Auto-Provisioning
+        varType: bool
       - name: node_pools_taints
         description: Map of lists containing node taints by node-pool name
         varType: map(list(object({ key = string, value = string, effect = string })))

modules/beta-autopilot-private-cluster/cluster.tf

@@ -103,7 +103,7 @@ resource "google_container_cluster" "primary" {
   }
 
   cluster_autoscaling {
-    default_compute_class_enabled = lookup(var.cluster_autoscaling, "enable_default_compute_class", false)
+    default_compute_class_enabled = var.default_compute_class_enabled
     dynamic "auto_provisioning_defaults" {
       for_each = (var.create_service_account || var.service_account != "" || var.boot_disk_kms_key != null) ? [1] : []
 

modules/beta-autopilot-public-cluster/cluster.tf

@@ -103,7 +103,7 @@ resource "google_container_cluster" "primary" {
   }
 
   cluster_autoscaling {
-    default_compute_class_enabled = lookup(var.cluster_autoscaling, "enable_default_compute_class", false)
+    default_compute_class_enabled = var.default_compute_class_enabled
     dynamic "auto_provisioning_defaults" {
       for_each = (var.create_service_account || var.service_account != "" || var.boot_disk_kms_key != null) ? [1] : []
 

modules/beta-private-cluster-update-variant/README.md

@@ -194,6 +194,7 @@ Then perform the following commands on the root folder:
 | create\_service\_account | Defines if service account specified to run nodes should be created. | `bool` | `true` | no |
 | database\_encryption | Application-layer Secrets Encryption settings. The object format is {state = string, key\_name = string}. Valid values of state are: "ENCRYPTED"; "DECRYPTED". key\_name is the name of a CloudKMS key. | `list(object({ state = string, key_name = string }))` | <pre>[<br>  {<br>    "key_name": "",<br>    "state": "DECRYPTED"<br>  }<br>]</pre> | no |
 | datapath\_provider | The desired datapath provider for this cluster. By default, `DATAPATH_PROVIDER_UNSPECIFIED` enables the IPTables-based kube-proxy implementation. `ADVANCED_DATAPATH` enables Dataplane-V2 feature. | `string` | `"DATAPATH_PROVIDER_UNSPECIFIED"` | no |
+| default\_compute\_class\_enabled | Enable default compute class for Node Auto-Provisioning | `bool` | `null` | no |
 | default\_max\_pods\_per\_node | The maximum number of pods to schedule per node | `number` | `110` | no |
 | deletion\_protection | Whether or not to allow Terraform to destroy the cluster. | `bool` | `true` | no |
 | deploy\_using\_private\_endpoint | A toggle for Terraform and kubectl to connect to the master's internal IP address during deployment. | `bool` | `false` | no |

modules/beta-private-cluster-update-variant/metadata.yaml

@@ -346,6 +346,9 @@ spec:
           max_memory_gb: 0
           min_cpu_cores: 0
           min_memory_gb: 0
+      - name: default_compute_class_enabled
+        description: Enable default compute class for Node Auto-Provisioning
+        varType: bool
       - name: node_pools_taints
         description: Map of lists containing node taints by node-pool name
         varType: map(list(object({ key = string, value = string, effect = string })))

modules/beta-private-cluster-update-variant/variables.tf

@@ -345,6 +345,12 @@ variable "cluster_autoscaling" {
   description = "Cluster autoscaling configuration. See [more details](https://cloud.google.com/kubernetes-engine/docs/reference/rest/v1beta1/projects.locations.clusters#clusterautoscaling)"
 }
 
+variable "default_compute_class_enabled" {
+  type        = bool
+  description = "Enable default compute class for Node Auto-Provisioning"
+  default     = null
+}
+
 variable "node_pools_taints" {
   type        = map(list(object({ key = string, value = string, effect = string })))
   description = "Map of lists containing node taints by node-pool name"

modules/beta-private-cluster/README.md

@@ -172,6 +172,7 @@ Then perform the following commands on the root folder:
 | create\_service\_account | Defines if service account specified to run nodes should be created. | `bool` | `true` | no |
 | database\_encryption | Application-layer Secrets Encryption settings. The object format is {state = string, key\_name = string}. Valid values of state are: "ENCRYPTED"; "DECRYPTED". key\_name is the name of a CloudKMS key. | `list(object({ state = string, key_name = string }))` | <pre>[<br>  {<br>    "key_name": "",<br>    "state": "DECRYPTED"<br>  }<br>]</pre> | no |
 | datapath\_provider | The desired datapath provider for this cluster. By default, `DATAPATH_PROVIDER_UNSPECIFIED` enables the IPTables-based kube-proxy implementation. `ADVANCED_DATAPATH` enables Dataplane-V2 feature. | `string` | `"DATAPATH_PROVIDER_UNSPECIFIED"` | no |
+| default\_compute\_class\_enabled | Enable default compute class for Node Auto-Provisioning | `bool` | `null` | no |
 | default\_max\_pods\_per\_node | The maximum number of pods to schedule per node | `number` | `110` | no |
 | deletion\_protection | Whether or not to allow Terraform to destroy the cluster. | `bool` | `true` | no |
 | deploy\_using\_private\_endpoint | A toggle for Terraform and kubectl to connect to the master's internal IP address during deployment. | `bool` | `false` | no |